April 8, 2011 AT 4:03 pm

E1T Clock

With all our modern devices using surface mount technology , it’s still worth pointing out that vacuum tubes did more than just the tasks of amplification and switching.

Dieter Wächter shows us this with his extensive write-up on his Beam Deflection Decade Counter Tube Clock build. He gives us a great explanation on how this display tube works, pin-outs and detailed design photos.